<template>
  <div id="app">
    <h2>测试题</h2>
    <SubjectItem
      v-for="(item, index) in arr"
      :key="index"
      :num1="item.num1"
      :num2="item.num2"
      :answer.sync="item.correct"
      :showResult.sync="item.showResult"
    ></SubjectItem>
    <div>
      <FlagItem
        v-for="(item, index) in arr"
        :key="index"
        :index="index"
        :answer="item.correct"
        :showResult="item.showResult"
      ></FlagItem>
    </div>
  </div>
</template>

<script>
import SubjectItem from "./components/SubjectItem.vue";
import FlagItem from "./components/FlagItem.vue";
export default {
  components: {
    SubjectItem,
    FlagItem
  },
  data() {
    return {
      arr: Array.from({ length: 5 }, () => ({
        num1: Math.floor(Math.random() * 10) + 1,
        num2: Math.floor(Math.random() * 10) + 1,
        correct: false,
        showResult: false
      }))
    };
  }
};
</script>

<style>
body {
  background-color: #eee;
}

#app {
  background-color: #fff;
  width: 500px;
  margin: 50px auto;
  box-shadow: 3px 3px 3px rgba(0, 0, 0, 0.5);
  padding: 2em;
}
</style>